Valve Spring Question ... - Ford Mustang Forums : Mustang Forum
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post #1 of 3 Old 07-26-2006, 09:44 PM Thread Starter
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Valve Spring Question ...

Will be upgrading to a Comp Cam in a '98 V6 & would like to increase the valve spring pressure a bit. However, don't want to install race valve springs as too much VS pressure results in lost HP. Any suggestions out there?

'98 GT equipped w/Koni, Eibach, Cobra R rims w/Yokohama tires, Cobra brakes all around & 3.73 gears. Also a Boss330 4.6 Cobra block w/PI heads & stuff from Accufab, ARP, Centerforce, Comp Cams, Fidanza, K&N, Mahle, Manley & Borla exhaust w/Mac Pro Chamber thrown in for grins & giggles.
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post #2 of 3 Old 07-27-2006, 03:21 PM
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the cam is supplied with a reccomended "kit" that has the springs in it.

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post #3 of 3 Old 07-27-2006, 11:05 PM
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you would have to run a Crazy amount of valve spring pressure to hurt HP. i normally run 125-135lbs on the seat and 300-320 open.

that being said i know of a kinda cheap spring thats good to .570 lift.

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